Cartridge Ink [Set of 4. Black] Compatible with Brass-Wooden Corner Fountain Pen

▌**About Cartridge Ink** Ink Cartridge | 3.4mm Caliber Ink Cartridge Compatible With | Brass-Wooden Corner Fountain Pen, Brass-Wooden Corner Fountain Pen | Limited Edition Amber Walnut **The last photo displays an example of compatible pen models for the ink. The fountain pen is not included.** ▌**About San He Design** In 2017, three young designers founded San He Design together. We are passionate about handmade crafts and creation, much like the three circles in our brand logo, supporting and relying on each other, each indispensable. Bringing our individual expertise and ideas, we collide and blend, creating infinite forms and concepts, hoping to infuse life with more warmth and uniqueness. https://c1.staticflickr.com/1/837/28286581937_3da36c0996_b.jpg